EduSahara™ Assignment
Name : Median of Raw Data
Chapter : Mean and Median of Ungrouped Data
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
The scores obtained by 9 students in a test are given below. Find the median.
11
12
4
7
4
13
5
6
8
(i)
4
(ii)
13
(iii)
9
(iv)
7
7
9
(v)
7
Question
2
2.
Find the median of all prime numbers between 50 and 60.
(i)
55
(ii)
59
(iii)
57
(iv)
54
(v)
56
Question
3
3.
Find the median of all the factors of 10.
(i)
4
(ii)
5
2
(iii)
9
2
(iv)
7
2
(v)
13
4
Question
4
4.
Find the median of first 10 whole numbers.
(i)
17
4
(ii)
7
2
(iii)
9
2
(iv)
11
2
(v)
5
Question
5
5.
Find the median of all the factors of 20.
(i)
11
2
(ii)
9
2
(iii)
7
2
(iv)
17
4
(v)
5
Question
6
6.
Find the median of the first 10 odd numbers.
(i)
13
(ii)
11
(iii)
8
(iv)
9
(v)
10
Question
7
7.
Find the median of the first 20 even numbers.
(i)
24
(ii)
20
(iii)
21
(iv)
22
(v)
19
Question
8
8.
The marks obtained by 14 students in a test are given below. Find their median marks.
11
13
8
26
32
42
31
4
41
9
20
10
10
19
(i)
13
(ii)
16
(iii)
17
(iv)
15
(v)
19
Question
9
9.
Heights of 10 students (in cm) are given below. Find the median height.
160
125
143
167
125
160
168
159
141
138
(i)
150
cm
(ii)
153
cm
(iii)
152
cm
(iv)
149
cm
(v)
151
cm
Question
10
10.
Heights of 10 plants (in cm) are given below. Find the median height.
55
59
74
75
59
75
69
96
53
52
(i)
66
cm
(ii)
62
cm
(iii)
65
cm
(iv)
63
cm
(v)
64
cm
Question
11
11.
Ages of 10 students (in years) are given below. Find the median age.
14
10
14
14
11
14
11
13
10
14
(i)
14
years
(ii)
29
2
years
(iii)
27
2
years
(iv)
31
2
years
Question
12
12.
Rainfall of 15 days (in mm) are given below. Find the median rainfall.
12
9
11
15
10
15
7
14
15
9
12
11
8
13
12
(i)
14
mm
(ii)
11
mm
(iii)
12
mm
(iv)
10
mm
(v)
13
mm
Question
13
13.
Scores of 13 students are given below. Find the median score.
74
90
89
87
80
77
77
76
80
79
85
72
81
(i)
78
(ii)
81
(iii)
79
(iv)
80
(v)
82
Question
14
14.
Temperatures of 14 days (in °C) are given below. Find the median temperature.
32
27
25
34
29
25
28
35
35
32
35
29
26
25
(i)
30
°C
(ii)
29
°C
(iii)
27
°C
(iv)
28
°C
(v)
31
°C
Question
15
15.
Weights of 11 students (in kg) are given below. Find the median weight.
41
41
57
55
54
44
54
45
54
41
47
(i)
46
kg
(ii)
48
kg
(iii)
45
kg
(iv)
49
kg
(v)
47
kg
Question
16
16.
Daily wages of 10 labourers (in ₹) are given below. Find the median wage.
333
411
435
437
443
301
330
326
311
425
(i)
₹
370.00
(ii)
₹
373.00
(iii)
₹
371.00
(iv)
₹
372.00
(v)
₹
374.00
Question
17
17.
The observations of an ungrouped data are
x
1
,
x
2
,
2x
1
and
x
1
<
x
2
<
2x
1
.
If the mean and median of the data are equal to
12
,
find the observations of the data
(i)
8
,
12
,
16
(ii)
16
,
12
,
32
(iii)
9
,
12
,
18
(iv)
12
,
12
,
20
Question
18
18.
The observations of an ungrouped data are
x
1
,
x
2
,
x
3
and
x
1
<
x
2
<
x
3
.
If the mean and median of the data are
30
and
20
respectively and
x
3
-
x
1
=
50
,
find
x
1
,
x
2
,
x
3
(i)
20
,
20
,
120
(ii)
10
,
20
,
60
(iii)
12
,
20
,
62
(iv)
14
,
20
,
64
Question
19
19.
Given an even number of random samples with the middle two samples as
x +
33
and x +
35
and the median as
37
,
find the value of x.
(i)
4
(ii)
2
(iii)
5
(iv)
3
(v)
1
Assignment Key
1) (v)
2) (v)
3) (iv)
4) (iii)
5) (ii)
6) (v)
7) (iii)
8) (ii)
9) (v)
10) (v)
11) (iii)
12) (iii)
13) (iv)
14) (ii)
15) (v)
16) (iv)
17) (i)
18) (ii)
19) (iv)
